1. A(n) is an identity by which you log into a PC in order to use it.
A. Theme
B. PersonaC. User account
D. Scheme

C. User accounts differentiate one user from another on a PC, allowing each user to maintain separate preferences and files.

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2. In Windows and the Mac OS, the basic levels of users are standard and _______.
A. Limited
B. PublicC. Administrator
D. Elevated

C. Standard and administrator are the two levels of user accounts. An administrator has the right to make system changes that affect other users; a standard user does not.

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3. The is the number of pixels that make up the display.
A. DOS mode
B. Refresh rate
C. Color depthD. Screen resolution

D. Screen resolution is the number of pixels, such as 1600 900. Color depth refers to the number of bits used to describe each pixels color. refresh rate is a setting mostly for CRT monitors that controls how often the display is repainted.

B. As listed in Table 6.3, the 64-bit version of Windows 7 requires 2 GB of RAM.

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7. Which of these is not a version of Mac OS X?
A. Lion
B. Tiger
C. Snow LeopardD. Drake

D. Mac OS X versions are all named for large cats.

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8. Which of these devices is most likely to require you to find a driver for it after upgrading from 32-bit to 64-bit Windows?
A. Processor
B. MouseC. Dial-up modem
D. Keyboard

C. Add-on devices such as a dial-up modem are most likely to require a third-party driver after changing OS versions. Most built-in components like the processor do not, and basic keyboard and mouse functionality are built into Windows.

D. Firewall software monitors the incoming and outgoing network traffi c, and it queries the user when it sees activity from a new application.

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14. If you are experiencing stuttering or frequent delays when viewing an online video, your system may not have sufficient Internet .
A. Video memory
B. VoIP
C. ContentionD. Bandwidth

D. Bandwidth is the connections ability to send data swiftly and in large quantities. Interruptions in video playback online are usually a result of Internet delays caused by inadequate bandwidth.

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15. is software that is free, but users are not permitted to modify it.
A. Site licenseB. Freeware
C. Shareware
D. Open source

B. Freeware is free, but users are not authorized to modify it. In contrast, open source software not only is free, but also may be freely modifi ed by anyone, with source code provided.

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16. is try-before-you-buy software; you can try it for a limited period
of time before you are expected to pay.
A. Site license
B. FreewareC. Shareware
D. Open source

C. Shareware is free for a limited-time trial or with limited features. Users who want to continue to use it are expected to pay for it.

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17. Software that allows a certain number of simultaneous users of an application is_______.
A. Single user
B. Site licenseC. Concurrent license
D. Multiuser

C. A concurrent license specifi es a maximum number of simultaneous users, rather than a maximum number of installs.

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18. A(n) enables an organization to supply an application to all its
employees for a fixed fee.
A. Single userB. Site license
C. Multiuser
D. Concurrent license

B. A site license allows organizations to distribute software to all their employees for a single price.

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19. is a common antipiracy measure in which a copy of an application is locked to a particular PC by a generated code that represents its hardware configuration.
A. LicensingB. Activation
C. Registration
D. Concurrency

B. Activation, which is a separate process from either installation or registration, locks the copy of the software to the PC on which it is installed.